Can opener



FIG. 1 is a perspective view taken from the front, top, and right side of a can opener showing a first embodiment of my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view taken from the front, top, and right side of a can opener showing a second embodiment of my new design;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a right side elevation view thereof;

FIG. 11 is a rear elevation view thereof;

FIG. 12 is a left side elevation view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof. 

I claim the ornamental design for a can opener, as shown and described. 